Răspuns :
3A = 370-25
3A = 345 => A = 345 : 3 = 115
693/A = 201 + 30
693/A = 231 => A = 693 : 231 = 3
3A = 345 => A = 345 : 3 = 115
693/A = 201 + 30
693/A = 231 => A = 693 : 231 = 3
3*A+25=370
3*A=370-25
3*A=345
A=345/3
A=115
693:A-30=201
693:A=201+30
693:A=231
A=693/231
A=3
SPER CA TE-AM AJUTAT
3*A=370-25
3*A=345
A=345/3
A=115
693:A-30=201
693:A=201+30
693:A=231
A=693/231
A=3
SPER CA TE-AM AJUTAT